iw4x-client/iw4/Components/FastFiles.cpp
2015-12-26 02:51:58 +01:00

108 lines
2.6 KiB
C++

#include "..\STDInclude.hpp"
namespace Components
{
std::vector<std::string> FastFiles::ZonePaths;
void FastFiles::LoadDLCUIZones(Game::XZoneInfo *zoneInfo, unsigned int zoneCount, int sync)
{
Game::XZoneInfo* data = new Game::XZoneInfo[zoneCount + 2];
memcpy(data, zoneInfo, sizeof(Game::XZoneInfo) * zoneCount);
data[zoneCount].name = "dlc1_ui_mp";
data[zoneCount].allocFlags = 2;
data[zoneCount].freeFlags = 0;
zoneCount++;
data[zoneCount].name = "dlc2_ui_mp";
data[zoneCount].allocFlags = 2;
data[zoneCount].freeFlags = 0;
zoneCount++;
Game::DB_LoadXAssets(data, zoneCount, sync);
delete[] data;
}
const char* FastFiles::GetZoneLocation(const char* file)
{
const char* dir = Dvar::Var("fs_basepath").Get<const char*>();
for (auto &path : FastFiles::ZonePaths)
{
std::string absoluteFile = Utils::VA("%s\\%s%s", dir, path.data(), file);
// No ".ff" appended, append it manually
if (!Utils::EndsWith(file, ".ff"))
{
absoluteFile.append(".ff");
}
// Check if FastFile exists
if (GetFileAttributes(absoluteFile.data()) != INVALID_FILE_ATTRIBUTES)
{
return Utils::VA("%s", path.data());
}
}
return Utils::VA("zone\\%s\\", Game::Win_GetLanguage());
}
void FastFiles::AddZonePath(std::string path)
{
FastFiles::ZonePaths.push_back(path);
}
std::string FastFiles::Current()
{
const char* file = (Utils::Hook::Get<char*>(0x112A680) + 4);
if ((int)file == 4)
{
return "";
}
return file;
}
FastFiles::FastFiles()
{
// Redirect zone paths
Utils::Hook(0x44DA90, FastFiles::GetZoneLocation, HOOK_JUMP).Install()->Quick();
// Allow dlc ui zone loading
Utils::Hook(0x506BC7, FastFiles::LoadDLCUIZones, HOOK_CALL).Install()->Quick();
Utils::Hook(0x60B4AC, FastFiles::LoadDLCUIZones, HOOK_CALL).Install()->Quick();
// basic checks (hash jumps, both normal and playlist)
Utils::Hook::Nop(0x5B97A3, 2);
Utils::Hook::Nop(0x5BA493, 2);
Utils::Hook::Nop(0x5B991C, 2);
Utils::Hook::Nop(0x5BA60C, 2);
Utils::Hook::Nop(0x5B97B4, 2);
Utils::Hook::Nop(0x5BA4A4, 2);
// allow loading of IWffu (unsigned) files
Utils::Hook::Set<BYTE>(0x4158D9, 0xEB); // main function
Utils::Hook::Nop(0x4A1D97, 2); // DB_AuthLoad_InflateInit
// some other, unknown, check
Utils::Hook::Set<BYTE>(0x5B9912, 0xB8);
Utils::Hook::Set<DWORD>(0x5B9913, 1);
Utils::Hook::Set<BYTE>(0x5BA602, 0xB8);
Utils::Hook::Set<DWORD>(0x5BA603, 1);
// Add custom zone paths
FastFiles::AddZonePath("zone\\patch\\");
FastFiles::AddZonePath("zone\\dlc\\");
}
FastFiles::~FastFiles()
{
FastFiles::ZonePaths.clear();
}
}